#562 Limiter DEFAULT_LIMIT optimization

[huangyunbin]

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[AliGHRobot]

Thanks for your contribution. 🍻 @huangyunbin
While we thought PR Description could be more specific, longer than 100 chars.
Please edit this PR title instead of opening a new one.
More details, please refer to https://github.com/alibaba/pouch/blob/master/CONTRIBUTING.md

[AliGHRobot]

@huangyunbin Thanks for your contribution. 🍻
Please sign off in each of your commits.

[CLAassistant]

Thank you for your submission, we really appreciate it. Like many open source projects, we ask that you all sign our Contributor License Agreement before we can accept your contribution.
1 out of 2 committers have signed the CLA.

✅ xuechaos
❌ cloud.huang

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[AliGHRobot]

We found this is your first time to contribute to Pouch, @huangyunbin
👏 We really appreciate it.
Just remind that you have read the contribution guide: https://github.com/alibaba/pouch/blob/master/CONTRIBUTING.md
If you didn't, you should do that first. If done, welcome again and please enjoy hacking! 🍻

[hxy1991]

1. Please sign the Contributor License Agreement.
2. Please merge into develop branch.